CVE-2024-42766
📋 TL;DR
Kashipara Bus Ticket Reservation System v1.0 has an incorrect access control vulnerability in the /deleteTicket.php endpoint that allows unauthorized deletion of bookings. This affects all users of the vulnerable software version. Attackers can exploit this to delete legitimate bookings without proper authentication.
💻 Affected Systems
- Kashipara Bus Ticket Reservation System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Mass deletion of all bookings causing complete disruption of reservation operations, financial losses, and reputational damage.
Likely Case
Selective deletion of bookings by malicious actors or competitors causing customer complaints and operational disruption.
If Mitigated
Minimal impact with proper access controls and monitoring in place.
🎯 Exploit Status
The vulnerability appears to be simple to exploit based on the reference documentation showing direct access to delete functionality without proper authorization checks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.kashipara.com/
Restart Required: No
Instructions:
1. Check vendor website for updates. 2. If patch available, download and apply. 3. Modify /deleteTicket.php to implement proper authentication and authorization checks. 4. Test functionality after changes.
🔧 Temporary Workarounds
Restrict access to deleteTicket.php
allImplement access control at web server level to restrict who can access the vulnerable endpoint.
# Apache: Add to .htaccess
<Files "deleteTicket.php">
Require valid-user
Require ip 192.168.1.0/24
</Files>
# Nginx: Add to server block
location ~ /deleteTicket\.php$ {
allow 192.168.1.0/24;
deny all;
}
Disable delete functionality temporarily
linuxComment out or remove delete functionality until proper fix is implemented.
# Rename the vulnerable file
mv deleteTicket.php deleteTicket.php.disabled
# Or add exit at top of file
echo "<?php exit('Service temporarily disabled'); ?>" > deleteTicket.php
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit access to the application.
- Enable detailed logging and monitoring for all delete operations and set up alerts for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Attempt to access /deleteTicket.php without proper authentication. If it allows deletion operations, the system is vulnerable.
Check Version:
Check application files or admin panel for version information. Typically found in config files or footer.
Verify Fix Applied:
Test that /deleteTicket.php now requires proper authentication and authorization before allowing any delete operations.
📡 Detection & Monitoring
Log Indicators:
- Multiple DELETE requests to /deleteTicket.php from unauthorized IPs
- Failed authentication attempts followed by successful delete operations
- Unusual patterns of booking deletions
Network Indicators:
- HTTP POST/GET requests to /deleteTicket.php without proper session tokens
- Traffic spikes to delete endpoint
SIEM Query:
source="web_logs" AND (uri="/deleteTicket.php" OR uri LIKE "%/deleteTicket.php%") AND (response_code=200 OR response_code=302) AND NOT (user_agent="monitoring_tool" OR src_ip IN [authorized_ips])